8 Inch QL80 Hammer Down The Hole Drilling

Brand Name:MTH
Certification:ISO9001
Model Number:QL80
Minimum Order Quantity:1 Piece
Delivery Time:10-15 days
Payment Terms:T/T, Western Union, MoneyGram
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Verified Supplier
Location: Shijiazhuang Hebei China
Address: No. 466 Zhongshan Road, Shijiazhuang, Hebei, China
Supplier`s last login times: within 33 hours
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Product Details

8 Inch QL80 DTH Hammer For Rock Drilling Down The Hole Drilling


Description:


“DTH” is the short for “Down The Hole” and sometimes it is also called “RAB” in some markets, “RAB” is short for “Rotary Air Blasting”.


Specifications:


Description

Thread connection

Outside diamete

Rec. hole size

Shank style

Working pressure

Length without bit,

Weight without bit

shoulder to shoulder

mm

inch

mm

inch

bar

psi

mm

inch

kg

lbs

QL 80 STD

API 4 1/2 Reg Pin

181

7 1/8

200 - 305

7 7/8 - 12

QL 80

6-24

87-350

1461

57 1/2

203

446

QL 80 STD

4 1/2 BECO Pin

181

7 1/8

200 - 305

7 7/8 - 12

QL 80

6-24

87-350

1461

57 1/2

203

446

QL 80 HF

API 4 1/2 Reg Pin

181

7 1/8

200 - 305

7 7/8 - 12

QL 80

6-24

87-350

1461

57 1/2

203

446

QL 80 HC

API 4 1/2 Reg Pin

181

7 1/8

200 - 305

7 7/8 - 12

QL 80

6-24

87-350

1478

58 3/16

203

446

QL 85 QM

API 4 1/2 Reg Pin

194

7 5/8

216 - 305

216 - 305

QL 80

6-24

87-350

1461

57 1/2

250

551


Usage:


Rotation drill rig, air compressor and the “DTH drill string” are the essential unit for DTH drilling while the “DTH drill string” is always made up of DTH drill rods, DTH hammer and DTH bits. As one of key component, the DTH hammer acts as a role of converting the air pressure to the impact energy, simultaneously transferring impact energy and rotation force to DTH bits.

As specialist manufacturer and provider of DTH drilling tools, hereby we recommend our newest generation DTH hammer which is improved by absorbing art technology, selecting superior alloy steel and robust design. It is proved by more than thousands times of test that our newest DTH hammer has longer life , lower air consumption and 15% higher penetration speed compared the conventional DTH hammer in the market.


Advantage:


1. With longer operating life

2. Excellent anti-wear properties

3. Easy to operate, stable and reliable

4. Smooth with high efficiency


China 8 Inch QL80 Hammer Down The Hole Drilling supplier

8 Inch QL80 Hammer Down The Hole Drilling

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